 Graham Cave State Park maintains a paved boat access to the river accessible for free by park patrons with a large paved parking area along with barbecue grills and picnic tables.The park also maintains the Loutre River trail, a publicly accessible hiking and mountain biking trail that runs adjacent to the river bank for about one-half mile.The Loutre River, the Auxvasse Creek, and the Prairie Fork Creek are the only known bodies of water where the rare blacknose shiner fish species can still be found in Missouri.